Can opener



FIG. 1 is a top plan view of a can opener embodying my new design;

FIG. 2 is a side view of the can opener in the direction of arrow 2 of FIG. 1

FIG. 3 is an end view of the can opener in the direction of arrow 3 of FIG. 1

FIG. 4 is a bottom plan view of the can opener

FIG. 5 is a side view of the can opener in the direction of arrow 5 of FIG. 1

FIG. 6 is an end view of the can opener in the direction of arrow 6 of FIG. 1. 

The ornamental design for a can opener, as shown. 